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Finding the Fourth Proportional to 49,893.60, 74,838.80 and 16,615.20

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Solution

The fourth proportional to 49,893.60, 74,838.80 and 16,615.20 is: 24,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,893.60 : 74,838.80 = 16,615.20 : x
  2. Step 2: Convert to fraction form
    49,893.60/74,838.80 = 16,615.20/x
  3. Step 3: Cross multiply
    49,893.60x = 74,838.80 × 16,615.20
  4. Step 4: Simplify right side
    49,893.60x = 1,243,461,629.76
  5. Step 5: Solve for x
    x = 1,243,461,629.76/49,893.60
  6. Step 6: Final answer
    x = 24,922.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.